1989 Johnson/Evinrude 40 thru 55 HP Models Service Manual P/N 507755, Page 38Get this manual

1989 Johnson/Evinrude 40 thru 55 HP Models Service Manual P/N 507755, Page 38

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AnodesTesting and Replacement Erosion disintegration in salt brackish water indicates the anodes performing their functionThe anodes should inspected andor replaced at intervals corrosion of the engin